Home / 104,009,107.40-155,901,686.70-39,287,904.20

Finding the Fourth Proportional to 104,009,107.40, 155,901,686.70 and 39,287,904.20

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Solution

The fourth proportional to 104,009,107.40, 155,901,686.70 and 39,287,904.20 is: 58,889,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,009,107.40 : 155,901,686.70 = 39,287,904.20 : x
  2. Step 2: Convert to fraction form
    104,009,107.40/155,901,686.70 = 39,287,904.20/x
  3. Step 3: Cross multiply
    104,009,107.40x = 155,901,686.70 × 39,287,904.20
  4. Step 4: Simplify right side
    104,009,107.40x = 6,125,050,531,688,014
  5. Step 5: Solve for x
    x = 6,125,050,531,688,014/104,009,107.40
  6. Step 6: Final answer
    x = 58,889,559.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.